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1\begin{tabular}{lp{10.5cm}rr}2\toprule3Rule & Description & Removed & Remaining \\4\midrule5R0 & House listings (property\_type in house types) evaluated by Vrai Prix & 0 & 39,278 \\6R1 & Vrai Prix classifies the matched roll unit as single-family (unifamilial) & 6,041 & 33,237 \\7R2 & Listing geocode within 15 m of the roll unit & 12,636 & 20,601 \\8R3 & Roll unit is a single dwelling & 1,550 & 19,051 \\9R4 & Complete roll fields: year built, floor area, land and building values & 404 & 18,647 \\10R5 & Listing year built (if any) within ±5 years of the roll year built (match sanity) & 331 & 18,316 \\11R6 & At least 4 image URLs & 598 & 17,718 \\12R7 & Asking price within [100,000, 3,000,000] & 209 & 17,509 \\13R8 & Sources with no structured building fields and few photos excluded: ['kijiji', 'fb\_marketplace'] & 3,633 & 13,876 \\14R10 & Image host permits automated retrieval (robots.txt): hosts with 'Disallow: /' excluded & 5,287 & 8,589 \\15R9 & One listing per roll unit (duplicates across sources: keep the listing with most images) & 844 & 7,745 \\16\bottomrule17\end{tabular}18